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Vista to Win7 upgrade



 
 
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Old December 31st 14, 07:17 PM posted to alt.windows7.general
Paul
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Default Vista to Win7 upgrade

Andrew Rossmann wrote:
In article , says...
Andrew Rossmann wrote:
In article ,

says...
AFAIK, Vista is just a prettified XP. W7/8 are major rewrites.
NOPE. Vista was the total rewrite (Windows 6.0). XP was an updated
Windows 2000 (Windows 5.0 to 5.1). Win7 is Windows 6.1, Win8 is 6.2, and
I think Win8.1 is 6.3. Win10 will be 10.0.

It took something like five years to write Vista.
And not enough testing before launch.
But it's surely paid off as a base.


Many of the issues were not MS's, but 3rd party drivers. I remember
reading a report from MS once that the root cause of many crashes were
early nVidia video drivers. Printing and video were the areas where
drivers required the most changes from 2K/XP.


The **** poor file copying code, was not
tested properly. It took some poking from
Mark Russinovich (now effectively a Microsoft
employee) to get them to fix it. They didn't
do a full test matrix of from-to, and watch
at a low level, how well it was working.
That suggests to me, some artificial management
deadline, meant shipping stuff before it was
ready.

Paul
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